{{each data as item index && index<=7}}
     <div class="row bb">
        <div class="a bb up">{{item.addDate || '2019-1-1'}}</div>
        <div class="people bb down">{{item.highVoltage}}</div>
        <div class="people bb down ">{{item.basePressure}}</div>
    </div>
{{/each}}